Home / 27,764.40-38,327.64-17,160.24

Finding the Fourth Proportional to 27,764.40, 38,327.64 and 17,160.24

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Solution

The fourth proportional to 27,764.40, 38,327.64 and 17,160.24 is: 23,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,764.40 : 38,327.64 = 17,160.24 : x
  2. Step 2: Convert to fraction form
    27,764.40/38,327.64 = 17,160.24/x
  3. Step 3: Cross multiply
    27,764.40x = 38,327.64 × 17,160.24
  4. Step 4: Simplify right side
    27,764.40x = 657,711,501.03
  5. Step 5: Solve for x
    x = 657,711,501.03/27,764.40
  6. Step 6: Final answer
    x = 23,689.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.